.login-container {
  /* 1. 两种设计方案都是可以的 */
  width: 100%;
  height: 100%;
  position: absolute;
  background-image: url('assets/img/login-bg.svg');
  display: flex;
  align-items: center;
  justify-content: center;
  /* width: 100vw;
  height: 100vh; */
  .login-form {
    width: 450px;
    height: 300px;
    margin: 0 auto;
    text-align: center;
  }
  .login-logo {
    width: 200px;
    height: 50px;
    margin-bottom: 10px;
  }
}
